Total COD was analyzed using the whole sample and soluble COD was analyzed using filtered sample using 0.2 mm filter paper. The soluble COD excludes carbon from microorganisms in the wastewater and it represents the soluble organic carbon in the
Total COD was analyzed using the whole sample and soluble CODwas analyzed using filtered sample using 0.2 mm filter paper. Thesoluble COD excludes carbon from microorganisms in the wastewaterand it represents the soluble organic carbon in the